Automotive Lead-Acid Battery State-of-Health Monitoring System

被引:0
|
作者
Kerley, Ross [1 ]
Hyun, Ji Hoon [1 ]
Ha, Dong Sam [1 ]
机构
[1] Virginia Tech, Bradley Dept Elect & Comp Engn, Multifunct Integrated Circuits & Syst MICS Grp, Blacksburg, VA 24061 USA
关键词
Car battery; state of health; SOH estimation; state of charge; lead acid battery;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, we present a system to estimate the health of a lead-acid car battery and warn the driver of upcoming battery failure in the near future. Most existing lead-acid battery state of health (SOH) estimation systems measure the battery impedance by sensing the voltage and current of a battery. However, current sensing is costly for parts and/or labor. A method to estimate SOH by sensing the battery voltage during a cranking event was proposed. Our system intends to improve a previous method. It measures the battery voltage during a cranking event, processes critical voltage points to estimate the SOH of the battery, and warns the driver of a potential upcoming failure.
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页码:3934 / 3938
页数:5
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